.xx{
    display: flex;
    justify-content: center;
    align-items: center;
}
.x-box{
    display: flex;
    justify-content: center;
}
.assign{
    display: flex;
    justify-content: center;
    width: 600px;
    height: 400px;
    /*border: 1px solid silver;*/
    /*align-items: center;*/

}
.assign > div{
    width: 200px;
    height: 300px;
    border: 1px solid silver;
    margin: auto;
}
.assign >div:nth-child(1){
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;

}
.cc{
    width: 200px;
    height: 40px;
    /*border: 1px solid silver;*/
    display: flex;
    justify-content: space-around;
    align-items: center;
    background-color:rgb(245,247,250) ;
}

.assign >div:nth-child(1) > div:first-child >div:nth-child(2){
    width: 10px;
    height: 10px;
    /*border: 1px solid red;*/
}
.aa{
    display: flex;
}
.aa > div{
    margin: 0 5px 0 0;
}
.assign >div:nth-child(1) > div:nth-child(2){
    width: 180px;
    height: 260px;
    /*border: 1px solid silver;*/
}
.assign > div:nth-child(2){
    display: flex;
    justify-content: center;
    border: none;
    align-items: center;
}
.serach{
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 20px ;
}

.serach > div:first-child >  input{
    height: 30px;
    border-radius: 20px;
}
.serach > div:nth-child(2){
    margin-top: 10px;
    margin-left: -80px;
}
.bb >div{
    display: flex;
    margin-bottom: 5px;
}
.bb >div >div:nth-child(2){
    margin-left: 5px;
}
.btn{
    flex-direction: row;
    flex-wrap: wrap;
}